On Conceptual Design of Intelligent Mechatronic Systems

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Information about On Conceptual Design of Intelligent Mechatronic Systems

Published on October 19, 2016

Author: KarlaCarballoValderr

Source: slideshare.net

1. On Conceptual Design of Intelligent Mechatronic Systems GEORGE RZEVSKI ELSEVIER: MECHATRONICS 13 (2003) PP 1029 – 1044 KARLA CARBALLO VALDERRÁBANO DISEÑO DE SISTEMAS MECATRÓNICOS Otoño 2016 INTELLIGENT MECHATRONIC SYSTEMS 1

2. Mechatronic Systems Automated Mechatronic Systems: ◦ Self-regulation ◦ Respond to predictable changes in a pre-programmed fashion Intelligent Mechatronic Systems ◦ Conditions of uncertainty in an unpredictable manner ◦ Separation of the knowledge for problem solving ◦ Negotiation ◦ Intelligent machine tools, intelligent robots, self-parking cars Intelligent Mechatronic Networks ◦ Mutually interconnected intelligent systems ◦ Colonies of intelligent agricultural machinery, intelligent manufacturing systems Otoño 2016 INTELLIGENT MECHATRONIC SYSTEMS 2

3. Intelligence ◦ Capability to achieve goals under conditions of uncertainty (internal or external events) Distributed Intelligence ◦ Decision-making units as nodes and communication channels as links ◦ Share the responsibility for system behaviour. Emergent Intelligence ◦ Created through the interaction of stakeholder units Intelligent Agent ◦ Software object ◦ Communicate with other intelligent agents and with humans ◦ View to achieving a given task. Otoño 2016 INTELLIGENT MECHATRONIC SYSTEMS 3

4. Multi-Agent System Intelligent agents competing or co-operating (Autonomy) Architecture ◦ Ontology ◦ Knowledge on the domain in which the system operates. ◦ In terms of classes of Objects, Properties, Attributes, Scripts and Relationships ◦ Virtual World ◦ Dynamic model of the Real World. ◦ Where software agents are created, interact and are destroyed ◦ Runtime Engine ◦ Algorithms and protocols required ◦ Interface ◦ Links the multi-agent system with users and other software Otoño 2016 INTELLIGENT MECHATRONIC SYSTEMS 4

5. Conceptual Design of a System in a dynamic environment Concepts that will be employed and how to interconnect them, before the Physical Design Agility ◦ Rapidly change in response to or anticipation of changes in the environment Autonomy ◦ Decide when and how to change without external instructions Networks of Autonomous Units better than Hierarchies ◦ Value of a network = square of the number of its nodes Decisions = negotiation among affected constituent units. ◦ Increase of the specified overall System Value. Self-organization ◦ Construct, deconstruct and reconstruct links Evolution ◦ Disconnect less useful units and connect new units to achieve goals Concurrent Engineering Otoño 2016 INTELLIGENT MECHATRONIC SYSTEMS 5

6. Example: An Intelligent Machine Tool The validation was done by simulating rather than building the proposed design. Simple communication protocols = production rules to guide the negotiation. Agents highly specialized = Small knowledge base for each agent = Simplified development and maintenance. The group showed clearly an emergent behavior far more sophisticated than the behaviour of each individual agent Otoño 2016 INTELLIGENT MECHATRONIC SYSTEMS 6

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